abShape of the object, ab=1 Sphere, ab!=1 Ellipsoid
eeccentric of the orbit
radiusRadius for sphere (ab=1), or Semi-major axis for Ellipsoid (ab!=1)
perioddata.frame 1*3 c(Period.Rotate, Period.Orbit, Period.Synodic)
InclinationInclination.
CenterObjectCentral Object.